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You are viewing API v2 — the latest version of the Manus API. API v1 has been deprecated and will be removed in the future. If you still need the v1 docs, see API v1 documentation.

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Manus API

The Manus API allows you to programmatically create and manage AI agent tasks. Build automations, orchestrate multi-step workflows, and integrate Manus into your applications through a simple REST API.

Get your API key

Before making API calls, you’ll need to create an API key. Head over to Authentication to get started.

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What you can do

Tasks

Create tasks, send follow-up messages, and retrieve results — full multi-turn conversation support

Projects

Organize tasks with shared instructions that apply automatically

Files

Upload files as task attachments — PDFs, images, CSVs, and more

Webhooks

Get real-time notifications when tasks complete or need input

Skills

Extend agent capabilities with built-in and custom skills

Agents

Manage and configure your custom agents

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Base URL

All API requests are made to: 
https://api.manus.ai

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Response format

All responses use a consistent wrapper: Success: 
{
  "ok": true,
  "request_id": "req_abc123",
  ...
}
Error: 
{
  "ok": false,
  "request_id": "req_abc123",
  "error": {
    "code": "invalid_argument",
    "message": "task_id is required"
  }
}
Error codeDescription
invalid_argumentMissing or invalid request parameters
not_foundThe requested resource does not exist
permission_deniedAPI key lacks permission for this action
rate_limitedToo many requests — back off and retry